Help with ccASHP model for CZ7A. Mitsubishi Zuba PUZ/SUZ or Tosot Apex?

We’re doing a deep energy retrofit/rebuild of an older home in CZ7a (design temperature of -26c/-15f). Home is a bungalow – 1400ft2 on the main and 1300ft2 in the basement,… We’re doing a deep energy retrofit/rebuild of an older home in CZ7a (design temperature of -26c/-15f). Home is a bungalow – 1400ft2 on the main and 1300ft2 in the basement,…Read MoreGreenBuildingAdvisor